(19)

(11)

EP 2 691 932 A2

(12)

(88) Date of publication A3: 22.11.2012 (43) Date of publication: 05.02.2014 Bulletin 2014/06 (21) Application number: 12713350.2 (22) Date of filing: 16.03.2012

(51) International Patent Classification (IPC):  G06T 5/50(2006.01) G06T 11/00(2006.01) (86) International application number: PCT/IB2012/051266 (87) International publication number: WO 2012/131520 (04.10.2012 Gazette 2012/40)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 28.03.2011 US 201161468126 P (71) Applicant: Koninklijke Philips N.V. 5656 AE Eindhoven (NL)	(72) Inventor: BROWN, Kevin NL-5656 AE Eindhoven (NL) (74) Representative: Steffen, Thomas  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)